Print Ephemeris Window
Hardcopy printouts are controlled by this dialog, which is brought up
from the Main Window
File:Print Ephemeris...
menu item. These printouts are independent of the tracking windows - the
system can continue to track in real-time while printing various tables for
different epochs and satellites. However, the current
Observer
is always used.
Printing is done using the current Windows default printer, or sent to a file
for later use. To change the printer, use the Windows Print Manager or Control
Panels. To create a file (for use with a spreadsheet, for instance), check
the box "Print to file" (see below).
Satellite Selection - Choose a satellite for printout. The selections
are the same as the in the Satellite Dialog Box.
Sun
and
Moon
can also be selected for printing, even though there are no keps available for
them - just scroll backward past the first satellite selection.
Print to File will cause the program to ask for a filename each time a
printout is initiated. The file will be simple ASCII text format (use Windows
NotePad to display or print it). If you choose an existing file, the new
information will be appended to the end.
Print Options - Turn on or off various features to be included in the
printout. If No Header is chosen, the other options are ignored.
Margin allows putting a few spaces at the left of a printout for better
appearance.
Satellite Position - Choose one of three position reporting methods
(mutually exclusive): azimuth/elevation/doppler shift; x/y/z (km) in inertial
celestial coordinate system (fixed with respect to the sky); or x/y/z (km) in
geocentric coordinate system (fixed with respect to earth - Greenwich meridian
= x axis).
Events - Choose the type of printout.
Every Interval : Print position at startime and every N seconds
thereafter, where N is specified in the Resolution box.
Above Horizon : As above, but print only positions that are above the
Observer's horizon.
AOS/LOS/TCA : Print the positions at
AOS, LOS, and TCA.
Equator Crossing : Print only the positions of the
ascending nodes,
regardless of visibility.
Apogee/Perigee : Print only the positions at
apogee/perigee,
regardless of visibility.
Timeline : Print a timeline showing whether or not the satellite is
visible in each half-hour interval (minimum one day). Useful for tracking
long-range trends.
Mutual Visibility : Print a list of
Mutual Visibility Windows
between the Observer and the DX locations listed in
SPECIAL.QTH,
during the selected time frame.
Orbital Model - Select the
model
to use for the calculation.
Geodetic Model - Same, for
Geodetic Model.
Comment - Allows entry of text to describe the printout (reason for
printing, assumptions, etc.) to be printed in the table heading (if selected
under Print options). Note: typing a "return" will close the whole dialog box.
To start a new line in this field, type ctrl-"return" instead.
Time Frame - Select the start time, duration, and resolution interval
for the table by typing in the fields provided.
Now - Set the start time to now.
Ref - Set the start time to the satellite's
reference epoch.
Print Table - Print one table immediately.
Done - Dismiss the dialog box.
Display and Window Overview
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